src/cpu/sparc/vm/vm_version_sparc.cpp

*** 142,151 ****
--- 142,163 ----
                 (!has_hardware_fsmuld() ? ", no-fsmuld" : ""));
  
    // buf is started with ", " or is empty
    _features_str = strdup(strlen(buf) > 2 ? buf + 2 : buf);
  
+   // UseVIS is set to the smallest of what hardware supports and what
+   // the command line requires.  I.e., you cannot set UseVIS to 3 on
+   // older UltraSparc which do not support it.
+   if( UseVIS > 3 ) UseVIS=3;
+   if( UseVIS < 0 ) UseVIS=0;
+   if( !has_vis3() ) // Drop to 2 if no VIS3 support
+     UseVIS = MIN2((intx)2,UseVIS);
+   if( !has_vis2() ) // Drop to 1 if no VIS2 support
+     UseVIS = MIN2((intx)1,UseVIS);
+   if( !has_vis1() ) // Drop to 0 if no VIS1 support
+     UseVIS = 0;
+ 
  #ifndef PRODUCT
    if (PrintMiscellaneous && Verbose) {
      tty->print("Allocation: ");
      if (AllocatePrefetchStyle <= 0) {
        tty->print_cr("no prefetching");